Grethem is a municipality in the district of

Heidekreis Heidekreis ("Heath district") is a district (''Landkreis'') in Lower Saxony, Germany. It is bounded by (from the north and clockwise) the districts of Harburg, Lüneburg, Uelzen, Celle, Hanover, Nienburg, Verden and Rotenburg. History Hist ...

, in

Lower Saxony Lower Saxony (german: Niedersachsen ; nds, Neddersassen; stq, Läichsaksen) is a German state (') in northwestern Germany. It is the second-largest state by land area, with , and fourth-largest in population (8 million in 2021) among the 16 ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

References

Heidekreis {{SoltauFallingbostel-geo-stub